In the following reactions first identify the substance that is oxidized and the one that is reduced. then identify the oxidizing and reducing agents.
a. 2li(s)+ f2(g) --> 2lif(s)
b. fe(s) + cuso4(aq) --> feso4(aq)+ cu(s)

The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

Which of the following will cause an increase in the acceleration of an object? increase force decrease force increase mass decrease mass